Compilare: user.c: In function ‘main’: user.c:12:9: warning: variable ‘scmax’ set but not used [-Wunused-but-set-variable] int scmax = -100000; ^ user.c:10:23: warning: variable ‘maxleft’ set but not used [-Wunused-but-set-variable] int left,maxright,maxleft = 0; ^ user.c:10:14: warning: variable ‘maxright’ set but not used [-Wunused-but-set-variable] int left,maxright,maxleft = 0; ^ user.c:9:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fp,"%i",&n); ^ user.c:14:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fp,"%i",&k); ^ user.c:17:15: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fp,"%i",&a); ^ user.c:23:30: warning: ‘left’ may be used uninitialized in this function [-Wmaybe-uninitialized] else if(sc - k*(left - i +1)) ^